Example
func CORS(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
origin := r.Header.Get("Origin")
w.Header().Set("Access-Control-Allow-Origin", origin)
if r.Method == "OPTIONS" {
w.Header().Set("Access-Control-Allow-Credentials", "true")
w.Header().Set("Access-Control-Allow-Methods", "GET,POST")
w.RespWriter.Header().Set("Access-Control-Allow-Headers", "Content-Type, X-CSRF-Token, Authorization")
return
} else {
h.ServeHTTP(w, r)
}
})
}
func main() {
http.HandleFunc("/login", Logger(CORS(loginHandler)))
http.ListenAndServe(":8080", nil)
}